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Round|Lab Grown|IGI

1.03ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG811623859

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811623859

Diamond specifications and retailer prices

From $226 CAD
As of November 5, 2026
Save $1,269 CAD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,496 CAD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811623859 or 811623859. Listed at 22 retailers as of November 5, 2026, with prices from $226 to $1,496, a $1,269 spread on the same certified stone. Reve Diamonds lists it at $1,496. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811623859
Dimensions6.48 × 6.43 × 4.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.48 mm6.43 mm1.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811623859
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $504 CAD|Low: $223 CAD|High: $1,496 CAD|Avg: $611 CAD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 6, 2026
Retailer 7$226 CAD
Retailer 2$253 CAD
Retailer 15$261 CAD
Retailer 3$279 CAD
Retailer 5$279 CAD
Retailer 16$402 CAD
Retailer 12$447 CAD
Retailer 10$487 CAD
Retailer 1$504 CAD
Retailer 4$506 CAD
Retailer 17$619 CAD
Retailer 9$651 CAD
Retailer 13$735 CAD
Retailer 11$824 CAD
Retailer 8$899 CAD
Retailer 6$975 CAD
Retailer 14$1,306 CAD
Reve Diamonds$1,496 CAD

45 data points across 18 retailers

22 retailers$226 CAD to $1,496 CAD

Retailer 1
-
$223 CAD
Price last confirmed 45 days ago
A
Retailer 2
-
$226 CAD
View
A
Retailer 3
-
$253 CAD
View
Final sale: no returns
A
Retailer 4
-
$261 CAD
View
Retailer 5
-
$261 CAD
View
Price last confirmed 66 days ago
Retailer 6
-
$274 CAD
View
Price last confirmed 45 days ago
Retailer 7
-
$279 CAD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$279 CAD
View
A
Retailer 9
-
$402 CAD
View
A
Retailer 10
-
$447 CAD
View
B+
Retailer 11
-
$487 CAD
View
B+
Retailer 12
-
$504 CAD
View
B+
Retailer 13
-
$506 CAD
View
B+
Retailer 14
-
$619 CAD
View
B
Retailer 15
-
$651 CAD
View
B
Retailer 16
-
$735 CAD
View
B
Retailer 17
-
$824 CAD
View
Retailer 18
-
$892 CAD
View
Price last confirmed 46 days ago
B
Retailer 19
-
$899 CAD
View
B
Retailer 20
-
$975 CAD
View
B
Retailer 21
-
$1,306 CAD
View
Most Expensive
B
Reve Diamonds
DFF352A92 · Nov 6
$1,496 CAD
$1,071 USD
View
21 more retailers have this diamond
Prices start from $226 CADSave up to $1,269 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Round
$226 CAD